package com.whys;

public class Hello {
    public static String love(){
        return "111";
    }

    public static int sum(int a,int b){
        return a+b;
    }

    // psvm 快捷键 生成主入口
    public static void main(String[] args) {
        System.out.println("hello world");
        System.out.println(love());
        System.out.println(sum(1,2));
    }


}
